Interesting Facts about Mammoth Cave
True to its name, Mammoth Cave is an extremely long and extensive cave system under the Flint Ridge in south-central Kentucky (US). Its depth or total length is still unknown…
National Parks in US
Lassen Volcanic National Park in California
Get ready to confront nature like no other. Get ready to experience your wildest dreams. So you do not want to be tied up behind a cubicle your whole life?…
Katmai National Park in Alaska
Katmai was first established as a National Monument in 1918, to protect the area surrounding Novarupta volcano, which formed the Valley of Ten Thousand Smokes with its pyroclastic flow after…
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